T20-89M3

T2089M3 Code Indicating Wheel Switch

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Datasheet. T20-89M3 specification

Hazardous Locations/environmental Protection
The specific commercial rating which classes the item as to what degree the item will withstand environmental elements and/or hazardous locations.

shock resistant and vibration resistant

Overall Length
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.

2.275in. ⁓2-9/32"

Overall Height
The distance measured in a straight line from the bottom to the top of an item.

1.791in.

Overall Width
An overall measurement taken at right angles to the length of an item,in distinction from thickness.

1.156in.

Unthreaded Mounting Hole Diameter
The length of a straight line which passes through the center of an unthreaded mounting hole,and terminates at the circumference.

0.100in. single mounting facility

Individual Section Quantity
The number of individual sections included in the item.

3

Longest Horizontal Distance Between Mounting Centers
The longest distance between mounting centers parallel to the horizontal plane.

2.105in. single mounting facility

Longest Vertical Distance Between Mounting Centers
The longest distance between mounting centers parallel to the vertical plane.

0.900in. single mounting facility

Mounting Method
The means of attaching the item.

bracket single mounting facility and unthreaded hole single mounting facility

Actuator Type
Indicates the type of actuator provided.

thumbwheel all actuators

Contact Voltage Rating In Volts
The voltage for which the contacts are rated,expressed in volts.

28.0 ac at sea level

Contact Voltage Rating In Volts
The voltage for which the contacts are rated,expressed in volts.

28.0 dc at sea level

Mounting Facility Pattern
The general configuration and relative position of the facilities provided for mounting the item.

four position rectangular single mounting facility

Switch Actuator Indexing Position Quantity
The number of positions to which the switch actuator may be indexed.

16 all actuators

Terminal Type
Indicates the type of terminal for providing electrical connection to the item.

printed circuit

Contact Load Current Rating
The amount of current that the contacts are rated to make or break with a specified load.

125.0 milliamperes resistive load ac at sea level

Contact Load Current Rating
The amount of current that the contacts are rated to make or break with a specified load.

125.0 milliamperes resistive load dc at sea level

Readout Indicator Marking
An indication of the marking on the readout indicator.

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, a, b, c, d, e, f each section

Contact Arrangement Truth Table
An indication of the configuration of the coded contact switching structure.

binary code with complement, 2 pole - 16 positions with 2 commons each section

Color
A characteristic of light that can be specified in terms of luminance,dominant wavelength,and purity.

black each body

Color
A characteristic of light that can be specified in terms of luminance,dominant wavelength,and purity.

black each indicator background

Color
A characteristic of light that can be specified in terms of luminance,dominant wavelength,and purity.

white each indicator marking

Precious Material And Location
An indication of the precious material and its location in the item.

contact and printed circuit board circuit surfaces gold and contacts silver

Precious Material
Identification of the precious material contained in the item.

gold and silver

Style Designator
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.

rectangular inline indicating

Answers.

What is the style?

Rectangular inline indicating

What is the overall width?

1.156 inches

What is the NSN for T20-89M3?

5930-01-124-0166

How is this classified for shipping?

Schedule B number: 8536509065
Switches, for a voltage not exceeding 1000 volts

What's the federal classification of T20-89M3?

FSC 5930 ⁓ Switches

Excluding switchgear.

NSN 5930-01-124-0166 SWITCH,CODE INDICATING WHEEL

rectangular inline indicating 1.156" overall width 2.275" overall length

NIIN
011240166
NIIN Date
12/27/81
Schedule B
8536509065 
Name Code
62415
FIIG
A052B0
Item Weight
0.000lbs
Item Dimensions
--
QUP
 
Historical Price
$157.63 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Contains gold
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Other Part Numbers Parts with same form, fit, and function by other manufacturers

Major End Users Countries and entities

  • - Canada 

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Similar by Design Other switchs with similar characteristics

Nothing similar to this part number was found in our inventory

T20-89M3 / Switch,code indicating wheelWhat is the formal definition of this item?

A switch which is externally actuated by a thumbwheel and/or pushbutton. a legend or message is visually displayed at each position of the indicating wheel which corresponds to electrically coded output. electrically coded output is achieved by rotating a set of brush contacts permanently attached to the code indicating wheel, against a stationary commutator which is usually a printed wiring board having electrical pads or contacts which are interconnected by the rotating brush contacts. may have additional electrical components (such as resistors, capacitors, diodes) premounted on that portion of printed wiring board which extends beyond the back of switch housing.